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	<title>G7LFC&#039;s world of... &#187; ldg electronics</title>
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	<description>Amateur Radio, photography, motorsport, walking and life in general</description>
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		<title>Portable PSK-31 Amateur Radio station up and running</title>
		<link>http://www.g7lfc.me.uk/amateur-radio/portable-psk-31-station-up-and-running/</link>
		<comments>http://www.g7lfc.me.uk/amateur-radio/portable-psk-31-station-up-and-running/#comments</comments>
		<pubDate>Sat, 03 Apr 2010 16:30:09 +0000</pubDate>
		<dc:creator>Derek</dc:creator>
				<category><![CDATA[Amateur Radio]]></category>
		<category><![CDATA[Acer]]></category>
		<category><![CDATA[acer aspire]]></category>
		<category><![CDATA[antenna]]></category>
		<category><![CDATA[antenna tuner]]></category>
		<category><![CDATA[aspire one]]></category>
		<category><![CDATA[atu]]></category>
		<category><![CDATA[cg antenna]]></category>
		<category><![CDATA[coventry]]></category>
		<category><![CDATA[ft-817]]></category>
		<category><![CDATA[iz3jjd]]></category>
		<category><![CDATA[ldg]]></category>
		<category><![CDATA[ldg electronics]]></category>
		<category><![CDATA[net book]]></category>
		<category><![CDATA[netbook]]></category>
		<category><![CDATA[portable]]></category>
		<category><![CDATA[psk-31]]></category>
		<category><![CDATA[sb-2000]]></category>
		<category><![CDATA[usb radio interface]]></category>
		<category><![CDATA[walkabout antenna]]></category>
		<category><![CDATA[watson]]></category>
		<category><![CDATA[yaesu]]></category>
		<category><![CDATA[z11]]></category>

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		<description><![CDATA[This is the first opportunity that I&#8217;ve had to get out the portable PSK-31 Amateur Radio station and it does work, though I suspect a better antenna is called for. In the picture you can see the Yaesu FT-817 portable HF/VHF/UHF transceiver, LDG Electronics Z11 automatic antenna tuner (atu), CG Antenna SB-2000 USB radio interface [...]]]></description>
			<content:encoded><![CDATA[<p><img class="alignright size-full wp-image-367" style="margin-left: 5px; margin-right: 5px;" title="Portable PSK-31 Amateur Radio station" src="http://www.g7lfc.me.uk/wp-content/uploads/portable-psk-stn.jpg" alt="Portable PSK-31 Amateur Radio station" width="250" height="146" />This is the first opportunity that I&#8217;ve had to get out the portable PSK-31 Amateur Radio station and it does work, though I suspect a better antenna is called for. In the picture you can see the Yaesu FT-817 portable HF/VHF/UHF transceiver, LDG Electronics Z11 automatic antenna tuner (atu), CG Antenna SB-2000 USB radio interface and Acer Aspire One netbook.<span id="more-366"></span></p>
<p>The station was rounded off with a Watson Walkabout antenna mounted on a 5&#8242; aluminium pole and a 1/4 wave wire counterpoise for 40m. However this, combined with the abysmal location in urban Coventry and low power, probably conspired to limit the number of contacts to just one &#8211; IZ3JJD in Padova on 20m.</p>
<p>Powering the station is a 24Ah lead acid battery which should be enough to provide power for at least 8-10 hours of continuous use if my calculations are correct. Whilst the weight of the battery would cause problems carrying the station to the top of a summit, it would not pose a problem for future camping trips. We have on hand a solar charger to trickle charge the battery during daylight hours.</p>
<p>Despite the single contact the exercise did highlight a number of things:</p>
<ul>
<li>A small low cost netbook can comfortably run a PSK-31 station without any performance issues on the part of the netbook.</li>
<li>Using a smaller and lighter 7Ah battery, we could probably operate PSK-31 from a summit for around two hours.</li>
<li>Walkabout antennas do work, but better in open spaces that urban environments.</li>
</ul>
<p>Our next experiment will involve using the Snowdonia Radio Company&#8217;s HF vertical antenna as we will be able to use this on our summer holidays at the camp site we frequent (though every year the antenna has got bigger and bigger &#8211; this is probably our limit).</p>
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